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A block A of mass 2 kg rests on a horizo...

A block A of mass 2 kg rests on a horizontal surface. Another block B of mass 1 kg moving at a speed of m/s when at a distance of 16 cm from A. collides elastically with A. The coefficeint of friction between the horizontal surface and earth of the blocks is 0.2. Then `(g = 10 m//s^(2))`

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